Uncategorized

  1. 19598

    This article is unfortunately murky. It’s confusing to state that accelerating charged particles to high speeds “therefore” produces cosmic rays. And what “charged particles”? Is the “energized” gas in fact “ionized”? “Energized” is too general a word. Finally, why are high-speed particles more easily compressed than slower-moving material? Fredric BlumMerion, Pa. “Energized” means that the […]

    By Science News
  2. Health & Medicine

    Give It Up: Cutting back helps, but even a cigarette or two a day carries risks

    Reducing tobacco use curbs the risk of lung cancer, but smoking even a few cigarettes a day puts a person at three to five times the risk faced by a nonsmoker.

    By Nathan Seppa
  3. Health & Medicine

    Better Beta: Cells grown in lab may treat diabetes

    Scientists have developed a technique to mass-produce a type of pancreas cell needed for transplants into people with type 1 diabetes.